asp.net 后台常用js方法（编程必备）

using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Web.UI;
 
public class JScript{
    
 
{
    #region 新版本///<summary>/// 弹出JavaScript小窗口
    ///</summary>///<param name="js">窗口信息</param>publicstaticvoid Alert(string message, Page page)
    {
        #regionstring js =@"<Script language='JavaScript'>
                    alert('"+ message +"');</Script>";
        //HttpContext.Current.Response.Write(js);if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "alert"))
        {
            page.ClientScript.RegisterStartupScript(page.GetType(), "alert", js);
        }
        #endregion
    }
 
    ///<summary>/// 弹出消息框并且转向到新的URL
    ///</summary>///<param name="message">消息内容</param>///<param name="toURL">连接地址</param>publicstaticvoid AlertAndRedirect(string message, string toURL, Page page)
    {
        #regionstring js ="<script language=javascript>alert('{0}');window.location.replace('{1}')</script>";
        //HttpContext.Current.Response.Write(string.Format(js, message, toURL));if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "AlertAndRedirect"))
        {
            page.ClientScript.RegisterStartupScript(page.GetType(), "AlertAndRedirect", string.Format(js, message, toURL));
        }
        #endregion
    }
 
    ///<summary>/// 回到历史页面
    ///</summary>///<param name="value">-1/1</param>publicstaticvoid GoHistory(int value, Page page)
    {
        #regionstring js =@"<Script language='JavaScript'>
                    history.go({0});  
                  </Script>";
        //HttpContext.Current.Response.Write(string.Format(js, value));if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "GoHistory"))
        {
            page.ClientScript.RegisterStartupScript(page.GetType(), "GoHistory", string.Format(js, value));
        }
        #endregion
    }
 
    ///// <summary>
    ///// 关闭当前窗口
    ///// </summary>
    //        public static void CloseWindow()
    //        {
    //            #region
    //            string js = @"<Script language='JavaScript'>
    //                    parent.opener=null;window.close();  
    //                  </Script>";
    //            HttpContext.Current.Response.Write(js);
    //            HttpContext.Current.Response.End();
    //            #endregion
    //        }///<summary>/// 刷新父窗口
    ///</summary>publicstaticvoid RefreshParent(string url, Page page)
    {
        #regionstring js =@"<Script language='JavaScript'>
                    window.opener.location.href='"+ url +"';window.close();</Script>";
        //HttpContext.Current.Response.Write(js);if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "RefreshParent"))
        {
            page.ClientScript.RegisterStartupScript(page.GetType(), "RefreshParent", js);
        }
        #endregion
    }
 
 
    ///<summary>/// 刷新打开窗口
    ///</summary>publicstaticvoid RefreshOpener(Page page)
    {
        #regionstring js =@"<Script language='JavaScript'>
                    opener.location.reload();
                  </Script>";
        //HttpContext.Current.Response.Write(js);if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "RefreshOpener"))
        {
            page.ClientScript.RegisterStartupScript(page.GetType(), "RefreshOpener", js);
        }
        #endregion
    }
 
 
    ///<summary>/// 打开指定大小的新窗体
    ///</summary>///<param name="url">地址</param>///<param name="width">宽</param>///<param name="heigth">高</param>///<param name="top">头位置</param>///<param name="left">左位置</param>publicstaticvoid OpenWebFormSize(string url, int width, int heigth, int top, int left, Page page)
    {
        #regionstring js =@"<Script language='JavaScript'>window.open('"+ url +@"','','height="+ heigth +",width="+ width +",top="+ top +",left="+ left +",location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,titlebar=no,toolbar=no,directories=no');</Script>";
        //HttpContext.Current.Response.Write(js);if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "OpenWebFormSize"))
        {
            page.ClientScript.RegisterStartupScript(page.GetType(), "OpenWebFormSize", js);
        }
        #endregion
    }
 
 
    ///<summary>/// 转向Url制定的页面
    ///</summary>///<param name="url">连接地址</param>publicstaticvoid JavaScriptLocationHref(string url, Page page)
    {
        #regionstring js =@"<Script language='JavaScript'>
                    window.location.replace('{0}');
                  </Script>";
        js =string.Format(js, url);
        //HttpContext.Current.Response.Write(js);if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "JavaScriptLocationHref"))
        {
            page.ClientScript.RegisterStartupScript(page.GetType(), "JavaScriptLocationHref", js);
        }
        #endregion
    }
 
    ///<summary>/// 打开指定大小位置的模式对话框
    ///</summary>///<param name="webFormUrl">连接地址</param>///<param name="width">宽</param>///<param name="height">高</param>///<param name="top">距离上位置</param>///<param name="left">距离左位置</param>publicstaticvoid ShowModalDialogWindow(string webFormUrl, int width, int height, int top, int left, Page page)
    {
        #regionstring features ="dialogWidth:"+ width.ToString() +"px"+";dialogHeight:"+ height.ToString() +"px"+";dialogLeft:"+ left.ToString() +"px"+";dialogTop:"+ top.ToString() +"px"+";center:yes;help=no;resizable:no;status:no;scroll=yes";
        ShowModalDialogWindow(webFormUrl, features, page);
        #endregion
    }
    ///<summary>/// 弹出模态窗口
    ///</summary>///<param name="webFormUrl"></param>///<param name="features"></param>publicstaticvoid ShowModalDialogWindow(string webFormUrl, string features, Page page)
    {
        string js = ShowModalDialogJavascript(webFormUrl, features);
        //HttpContext.Current.Response.Write(js);if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "ShowModalDialogWindow"))
        {
            page.ClientScript.RegisterStartupScript(page.GetType(), "ShowModalDialogWindow", js);
        }
    }
    ///<summary>/// 弹出模态窗口
    ///</summary>///<param name="webFormUrl"></param>///<param name="features"></param>///<returns></returns>publicstaticstring ShowModalDialogJavascript(string webFormUrl, string features)
    {
        #regionstring js =@"<script language=javascript>                            
        showModalDialog('"+ webFormUrl +"','','"+ features +"');</script>";
        return js;
        #endregion
    }
    #endregion
}